Figure 1: Brain DWI in patient with hypoglycemic coma due to the mistake of overdose glibenclamide. On the third’day of coma, brain DWI revealed diffuse high signals in the bilateral hippocampus (A. thick arrows), temporal and occipital cortex (A. tiny arrows); simultaneously in bilateral basal ganglia (B. thick arrows), temporal, and occipital cortex gray matter (B. tiny arrows).